# AW9523 I2C I/O Expander and LED Driver [](https://components.espressif.com/components/espp/aw9523) The `AW9523` I/O expander component allows the user to configure inputs, outputs, interrupts, etc. via a serial interface such as I2C. It also supports dimming control for LEDs attached to the expander's port pins, when those pins are configured into a special LED mode. ## Example The [example](./example) shows how to use the `Aw9523` component to communicate (via I2C) with an AW9523 I2C digital IO expander and LED driver.
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idf.py add-dependency "espp/aw9523^1.0.34"